WhoCites Definitions mb event system 6 Sections EventSystems Doc
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Who Cites fpf-join?
fpf-joinDef f  g == <1of(f) @ filter(a.a  dom(f);1of(g)),a.f(a)?g(a)>
fpf-capDef f(x)?z == if x  dom(f) f(x) else z fi
fpf-apDef f(x) == 2of(f)(x)
fpf-domDef x  dom(f) == deq-member(eq;x;1of(f))
deq-memberDef deq-member(eq;x;L) == reduce(a,b. eqof(eq)(a,x b;false;L)
eqofDef eqof(d) == 1of(d)
Thm* T:Type, d:EqDecider(T). eqof(d TT
pi1Def 1of(t) == t.1
Thm* A:Type, B:(AType), p:(a:AB(a)). 1of(p A
bnotDef b == if b false else true fi
Thm* b:b  
filterDef filter(P;l) == reduce(a,v. if P(a) [a / v] else v fi;nil;l)
Thm* T:Type, P:(T), l:T List. filter(P;l T List
appendDef as @ bs == Case of as; nil  bs ; a.as'  [a / (as' @ bs)]  (recursive)
Thm* T:Type, as,bs:T List. (as @ bs T List
pi2Def 2of(t) == t.2
Thm* A:Type, B:(AType), p:(a:AB(a)). 2of(p B(1of(p))
reduceDef reduce(f;k;as) == Case of as; nil  k ; a.as'  f(a,reduce(f;k;as'))
Def (recursive)
Thm* A,B:Type, f:(ABB), k:Bas:A List. reduce(f;k;as B
borDef p  q == if p true else q fi
Thm* p,q:. (p  q 

Syntax:f  g has structure: fpf-join(eqfg)

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WhoCites Definitions mb event system 6 Sections EventSystems Doc